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Derek M
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Derek M
@derek-m
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Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4405
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RE: Our ASHP cost us £550 to run last month – help!

@ashptenant Do you know which are the flow and return pipes connected to your heat pump? If you do then see if one of these pipes is connected to po...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma LT R32 - poor SCOP and breaking heat exchangers!

@rgledhill So you have a low loss header, which operates like a thin buffer tank, same inputs and outputs, but without any volume. The system pres...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Our ASHP cost us £550 to run last month – help!

Thanks for the photos. The controller is normally set to give priority to producing hot water, but this can often be changed by a setting within the ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & Raspberry Pi automations

@mjr I'm pleased that you have managed to get auto adaptation to work to your requirements. It is a pity that a ramp function has not been incorpo...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma LT R32 - poor SCOP and breaking heat exchangers!

The black vertical cylinder would appear to be a buffer tank rather than a heat exchanger. It is the same water on both sides, there is no physical se...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Launches the EHS Mono HT Quiet – A High Temperature, Low Noise Heat Pump Ideal for Home and Building Renovations

Just Google 'pwm cable for grundfos pumps' and you will find a selection of suitable cables on offer.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & Raspberry Pi automations

@mjr Do I take it from your comments that you are actually now operating your system in auto adaptation mode? Whilst the displayed temperature has...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Our ASHP cost us £550 to run last month – help!

Can you provide a photo of the valve in question. How large is the property? What type of heat emitters (radiators or UFH) is installed? Is there a ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma LT R32 - poor SCOP and breaking heat exchangers!

Your ASHP is obviously a split system, hence the indoor heat exchanger. If I understand your description correctly, you have a heat exchanger locate...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma LT R32 - poor SCOP and breaking heat exchangers!

To have one heat exchanger fail would be unfortunate, and would probably indicate a manufacturing defect, but to have two heat exchangers fail on the ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump installer sentenced for fraud and mis-selling

He obviously failed to tie a 'safety' rope around his neck. 😋 Yippee, I've now hit 2000 and we are well on the way back towards Summer

3 years ago
Forum
Well & Truly Off The Grid
Reply
RE: Forum updates, announcements & issues

Season's Greetings to everyone involved with the forum, especially Mars and Kirsten for all their hard work setting up the website and making it such ...

3 years ago
Forum
Introductions, Forum Rules & Updates
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